Patek Philippe, Ge-nève, "10 Jours", No. 32027 91, Ref. 5100 J. Produced in a limited edition to celebrate the year 2000.Very fine, rectangular lozenge, water-resistant, 18K yellow gold gentleman's wristwatch with 10 days power reserve, and an 18K yellow gold Patek Philippe buckle. Accompanied by original box and certificate.

C. two-body, solid, polished, transparent case back with screws, manta ray-shaped, concave and stepped bezel, ins-erted winding crown, sapphire crystal. D. sand-finished silver with applied yellow gold dart indexes and Arabic numerals, auxiliary seconds dial at 6, up-and-down indication below the 12. "Dauphine" yellow gold hands. M. Cal. 28-20/220, stamped with Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 29 jewels, 9 of them in 18K gold chaton settings, lever escapement,double barrel, Gyromax balance adjusted for heat, cold, isochronism and 5 positions, shock-absorber, self-compensating free-sprung balance spring.Dial, case and movement signed.Dim. 34 x 46 mm.

Guardian of the SpheresGübelin, Swiss, sold in October 1952.Very fine and extremely rare 18K gold and cloisonné enamel keyless center seconds self-winding dress watch.

C. Three-body, "bassine", massive, back decorated in cloisonné enamel with the Earth, its celestial projections and Zodiac signs, translucent dark blue enamel frame with sunburst gold motif, polished band and front bezel.D. Cloisonné enamel with dark red Saturn, the "guardian of the Spheres" and ruler of the sun sign Capricorn, in a circle of fire representing the Sun, orbiting moon and blue stars, applied gold radial Roman numerals and bâton indexes. Gold "Alpha pleines" hands. M. 26 mm. (11 1/2'''), rhodium-plated, "fausses-côtes" decoration, 25 jewels, straight line lever escapement, monometallic balance with self-compensating flat balance spring, anti-shock system on the balance, patented micrometric regulatr.Signed on dial, case and movement.Diam. 45 mm.

The SundialGübelin, No. 160307, "Automatic". Produced in the 1970's.Very fine flared carré galbé, center-seconds, cloisonné enamel, self-winding 14K gold gentleman's wristwatch.

C. two-body, solid, polished, stepped curved bezel and rounded lugs, "bombé" crystal. D. in polychrome cloisonné enamel representing the Sun and the divisions of the hours on a sundial, applied gold pyramidal and bâton indexes. "Dauphine" yellow gold hands. M. 11''', rhodium-plated, "fausses-côtes" decoration, 25 jewels, straight line lever escapement, monometallic balance, 2 adjustments, shock-absorber, self-compensating flat balance spring.Dial, case, and movement signed.Dim. 32 x 32 mm.

"Volvo", Swiss (probably Buèche-Girod). Produced in the 1960's.Fine and very rare, center-seconds, self-winding, asymmetrical, horizontal rectangular "galbé", 18K white gold gentleman's wristwatch with date, in the shape of a "Volvo" radiator grill.

C. two-body, solid, polished, flat bezel, central lugs, flat top crystal. D.gray with stripes, shaped, with applied white gold pyramidal indexes, below 1 o'clock, the "Volvo" logo with arrow painted in black and white enamel and a transversal black and white line, aperture for the date. "Bâton" white gold and black hands. M. Cal. 11 1/2''' rhodium-plated, 25 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dim. 37 x 28 mm.

Guyot & Cie, "Rolls Royce". Produced in the 1970's.Fine, asymmetrical 18K yellow gold gentleman's wristwatch in the shape of a "Rolls Royce" radiator grill, with concealed dial. Accompanied by an 18K yellow gold woven bracelet.

C. two-body, shaped, solid, polished, case back with screws, open-work cover over the dial, "Vendôme" type lug at 6 and the "Rolls Royce" logo at 12. D. black with tritium-coated indexes. "Bâton" white gold hands. M. 9''' gilt brass, "fausses-côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Signed on the case.Dim. 40 x 40 mm.Approx. overall length 205 mm.

Buèche-Girod, Swiss, "Lancia" case No. 79704, Ref. YG 7744-1. Produced in the 1970's.Fine and unusual 18K yellow gold gentleman's wristwatch in the shape of a Lancia radiator grill.

C. two-body, shaped, solid, polished, lapidated concave lugs, winding-crown at 4 o'clock. D. grey with white lines representing the car radiator's grill, at the center, the Lancia logo in silver and blue enamel, applied white gold pyramidal indexes. "Bâton" white gold hands. M. 7 1/2''', rhodium-plated, 17 jewels, lever escapement, monometallic balance, shock-absorber, self-compensating Breguet balance spring.Dial and movement signed, numbered on the case.Dim. 39 x 28 mm.

Marvin, Swiss, circa 1910.Fine and amusing 18K gold and cloisonné enamel keyless dress watch.

C. Three-piece, sharp edges, back decorated in cloisonné enamel in opaque and iridescent enamels in yellow, green, red, orange and black, depicting a stream with water plants and a large applied gold realistically painted lady bug, the bezels, pendant and bow with champlevé blue and green stripes, wide pendant smoothly integrated with the case and bow. D. Silver with champlevé Arabic numerals, outer minute track, subsidiary sunk seconds. Blued steel "Roman" hands. M. 36 mm. (16'''), rhodium-platd, 16 jewels, straight line lever escapement, cut bimetallic compensation balance with blued steel Breguet balance spring.Signed on dial, case and movement.Diam. 45 mm.

Audemars Piguet, Brassus and Geneva, No. 27972, made in 1921.Very fine and rare 18K gold keyless slim dress watch with unusual dial.

C. Three-piece, matted back, bezel and band engraved with oak-leaf wreath, pentagonal pendant. D. Silver, heavy, darkened, applied gold radial Roman numerals on matted recessed ring, outer minute dot divisions, center with elaborate applied filigree oak-leaf and scrolling pattern, subsidiary seconds. Gold "Bâton" hands, engraved with leaf pattern. M. 37 mm. (16 1/2'''), rhodium-plated, "fausses côtes" decoration, gold train, straight line lever escapement, cut bimetallic compensation balance witblued steel flat balance spring.Signed on dial and movement, case incused with the serial number.Diam. 43 mm.

Zenith, Swiss, circa 1935.Fine agate and yellow gold-filled keyless dress watch.

C. Single piece of striped red agate with white bands, gold filled reeded bezel and pendant. D. White enamel, Arabic numerals, outer minute track, outermost 24-hour scale (13 to 24), subsidiary sunk seconds. Blued steel Breguet hands. M. 39,3 mm. (17 1/2""), rhodium-plated, damascened in a geometrical pattern, 17 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, cam-type patented regulator.Diam. 50 mm.

Zenith, Swiss, circa 1935.Fine and rare agate and gold filled keyless lady's pendant watch.

C. Single piece of banded agate, gold-filled reeded bezel and pendant. D. Off-white matte enamel, Arabic numerals, outer minute divisions, sunk seconds. Gold "spade" hands. M. 25 mm. (11'''), frosted gilt, 15 jewels, straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring.Diam. 32 mm.

Corum, Swiss, No. 374016. Produced in the 1980's.Very fine 21,6 K yellow gold gentleman's quartz wristwatch fitted into a 20-dollar gold coin dated 1900 with an 18K yellow gold Corum "guilloché" tiled bracelet.

C. three-body, solid, satiné, on one side, the American Eagle, the shield and the motto "E Pluribus Unum" and "In God we Trust", on the other face, the effigy of Liberty, diamond-set winding-crown. D. the coin with signature."Bâton" blued steel hands. M. 6 jewels, with quartz standardization.Dial, case and movement signed.Diam. 36 mm.Approx. overall length 180 mm.

Vacheron & Constantin, Genève, No. 585408, case No. 410642, Ref. 4928. Produced in the 1970's.Fine 21,6 K yellow gold gentleman's wristwatch fitted into a 20 U.S. dollar gold coin dated 1904 with an 18K yellow gold Vacheron & Constantin buckle.

C. four-body, solid, polished, on one side, the American Eagle, the shield and the device "E Pluribus Unum" and "In God we Trust", on the other, the effigy of Liberty, the coin opening by means of a secret pushpiece on the reeded band. D. champagne with painted indexes. "Bâton" blued steel hands. M. Cal. 1003, stamped with the Geneva Quality Hallmark, rhodium-plated, "fausses-côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance adjusted to heat, cold isochronism and5 positions, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 34 mm.

Eska Watch Co., Swiss. Produced in the 1960's.Fine 21,6 K gold yellow gold lady's wristwatch fitted into a 10 U.S. dollar coin dated 1892.

C. four-body, solid, polished, on one side, the American Eagle, the shield and the motto "In God we Trust", on the other face, the effigy of Liberty, solid, polished, opening of the coin by means of a secret push-piece on the reeded band. D. champagne with painted indexes and Arabic numerals. "Bâton" blued steel hands. M. 9 ''' rhodium-plated, "fausses-côtes" decoration, 17 jewels, straight line lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Dial, case and movement signed.Diam. 30 mm.

Eska Watch Co., Swiss, circa 1960.Fine 21,6 K gold extra thin, keyless coin watch set in a U.S. 20 dollar coin of 1895.

C. Three-body, the hinged watch within the coin opening by a push piece concealed in the band. D. Champagne with black indexes. Blued steel "bâton" hands. M. 20 mm. (9'''), rhodium-plated, 18 jewels, straight line lever escapement, monometallic balance, self compensated balance spring.Signed on the dial and movement, case signed Kocher.Diam. 35 mm.

Gérald Genta, Genève, Ref. 3019. Produced in the 1990's.Fine octagonal, minute-repeating, astronomic, self-winding, water-resistant, skeletonized, 18K pink gold gentleman's wristwatch with perpetual calendar and moon phases with a Gérald Genta 18K pink gold link bracelet and clasp.

C. two-body, shaped, transparent case back with 8 screws, stepped bezel with 8 overhanging segments.D. transparent, tritium-coated round indexes, auxiliary mother-of-pearl ring dials for the date, days of the week, and months in red Arabic numerals and writing, aperture for the gold moon phases on a lapis-lazuli background, and for the leap year in red. "Bâton" tritium-coated pink gold hands. M. Cal. 11''', engraved gilt brass, straight line lever escapement, monometallic balance, shock-absober, self-compensating flat balance spring and engraved skeletonized gold rotor bearing the initials "GG, repeating on gongs by means of a pusher on the band.Dial, case and movement signed.Dim. 35 mm.Approx. overall length 190 mm.

Gérald Genta, Genève, "Tourbillon - Réserve de marche", No 2, Ref. 4026.7. Produced in the 1990's.Very fine and important self-winding, water-resistant, octagonal, 18K yellow gold gentleman's wristwatch with one-minute tourbillon regulator, 64-hour power reserve and date. Accompanied by a sharkskin strap decorated with six hexagonal gold bars and pink gold deployant clasp.

C. three-body, solid, polished, transparent back with screws, numbered and signed on the band, stepped bezel, central hexagonal lugs repeating the strap bar decoration, sapphire crystal. D. white with painted radial Roman numerals, auxiliary seconds over the tourbillon aperture, under the 12 sector for the up-and-down indication, outer graduation for the days of the month, aperture for the visible tourbillon and cage. "Epée" gold hands.M. Cal. 12000, engraved gilt brass, 27 jewels, one-minute tourbillon regulator, lever escapement, monometallic balance, self-compensating flat balance-spring, gold rotor.Dial, case and movement signed.Diam. 36 mm.

Property of a European GentlemanGrande Complication WristwatchGérald Genta, Geneva, No. 1, Ref. GGM1, produced in a very few examples in 1996.Exceptionally fine and equally important, self-winding double-train, water-resistant gentleman's platinum wristwatch with Westminster chime, Grande et Petite Sonnerie and silent display, four gongs and four hammers, minute-repeating, 12-hour fly-back hand with revolving 60-minute indication, 48-hour power reserve indicator for the striking and the going trains, and one-minute tourbillon regulator in fully engraved movement, and a platinum Gérald Genta deployant clasp.

C. two-body, truncated-cone shaped stepped octagonal, tapered at the top, glazed back with sapphire crystal secured by bolts, curly lugs, Genta-type winding crown, similar ones for silent/striking at 11 o'clock, Grande or Petite Sonnerie at 7 o'clock and push button for repeater activation at 9 o'clock, winding crown for adjusting the calendar and 12-hour indication at 3 o'clock. D. pale blue "guilloché" mother-of-pearl, tritium dot hour markers, four subsidiary sectors for the going train, up-ad-down indications, Grande or Petite Sonnerie, and silent or striking indications. White gold "arrow" hands for the sectors, triangular tritium-coated hand for the hours, aperture for the revolving 60 minutes. M. 31.5 mm. (14'''), stamped with the Geneva Quality Hallmark, engraved with grape motifs and rhodiumed, 57 jewels, three-arm polished steel tourbillon carriage, lateral lever escapement, monometallic balance with screws, self-compensating flat balance spring, two-directional rotor windinggoing train in one direction and striking train in the other, tandem winding.Signed on dial, case and movement.Diam. 39 mm., thickness 15 mm.

Unique and MostComplicated Wristwatch in the World Gérald Genta, Geneva, "Grande Sonnerie",No. 1, Ref. G0025.7. Made in 1994, part of a series of only four examples: one in yellow gold, one in pink gold (this lot), one in white gold and one in platinum.Exceptionally fine and equally important, self-winding double-train, water-resistant gentleman's pink gold wristwatch with Westminster chime, Grande et Petite Sonnerie and silent display, four gongs and four hammers, minute-repeating, perpetual calendar, leap year indication, a second 24-hour time zone, 48-hour power reserve indicator for the going and striking trains, with one-minute tourbillon regulator in fully engraved movement, and a pink gold Gérald Genta deployant clasp.

C. two-body, truncated cone-shaped, stepped and decorated in a wave pattern, octagonal, glazed back with sapphire crystal secured by bolts, "Vendôme" lugs with pink gold screwed bars, Genta winding-crown at 3, Grande et Petite Sonnerie at 7, repeater at 9, silent/striking at 11, pushbuttons on the band for adjusting the retrograde calendar and 24-hour indications. D. gold, with four subsidiary mother-of-pearl dials, tritium dot indexes, four auxiliary sectors in Arabic writing for silence-chimet 10, going-train up-and-down indication at 2, 48-hour power-reserve indication at 4, Grande et Petite Sonnerie indicator at 8, second 24-hour time zone under the 12. Pink gold tritium-coated "bâton" hands, red hand for the seconds. M. Cal. 31.5 mm. (14'''), engraved with grape motifs and gilded, stamped with the Geneva Quality Hallmark, 57 jewels, three-arm polished steel tourbillon carriage, lateral lever escapement, monometallic balance with screws, self-compensating flat balance spring, two-irectional rotor, winding-going train in one direction and striking-train in the other, tandem winding.Signed on dial, case and movement.Diam. 39 mm., thickness 15 mm.

Unique and Most ComplicatedWristwatch in the WorldGérald Genta, Geneva, "Grande Sonnerie", No. 66749, Ref. G0025.7, No. 1. Made in 1994, part of a series of only eight examples, in yellow gold, pink gold, white gold and platinum (this lot).Exceptionally fine and equally important, self-winding double-train, water-resistant gentleman's platinum wristwatch with Westminster chime, Grande et Petite Sonnerie and silent display, four gongs and four hammers, minute-repeating, perpetual calendar, leap year indication, a second 24-hour time zone, 48-hour power reserve indicator for the going and striking trains, with one-minute tourbillon regulator in fully engraved movement, and a polished articulated platinum Gérald Genta bracelet.

C. two-body, truncated cone-shaped, stepped, octagonal, glazed back with sapphire crystal secured by bolts, "Vendôme" lugs with platinum screwed bars, Genta winding-crown at 3, Grande et Petite Sonnerie at 7, repeater at 9, silent/striking at 11, pushbuttons on the band for adjusting the retrograde calendar and 24-hour indications. D. mother-of-pearl, with four subsidiary dials, tritium dot indexes, four auxiliary sectors in Arabic writing for silence-chime at 10, going-train up-and-down indicaton at 2, 48-hour power-reserve indication at 4, Grande et Petite Sonnerie indicator at 8, second 24-hour time zone under the 12. White gold tritium-coated "bâton" hands, red hand for the seconds. M. Cal. 31.5 mm. (14'''), engraved with grape motifs and rhodiumed, stamped with the Geneva Quality Hallmark, 57 jewels, three-arm polished steel tourbillon carriage, lateral lever escapement, monometallic balance with screws, self-compensating flat balance spring, two-directional rotor, winding-going tain in one direction and striking-train in the other, tandem winding.Signed on dial, case and movement.Diam. 39 mm., thickness 15 mm.Approximate length: 19.5 cm.

Santa ClausAlain Silberstein, "Tourbillon à Cadran en Email Cloisonné - Santa Claus". Unique piece produced for himself at Christmas 1999.Extremely fine and unique, water-resistant, 18K sand-finished yellow gold gentleman's wristwatch with one-minute tourbillon regulator and "cloisonné" dial made by the master enameler Michel Vermot.

C. "Empire" style, two-body, polished and brushed, solid, transparent case back with screws, black triangular- and gold star-shaped winding-crown, sapphire crystal, straight lugs. D. polychrome "cloisonné" enamel, representing Santa Claus on a sled loaded with presents, pulled by two reindeer traveling through the clouds, at the bottom, a semi-circular aperture showing the tourbillon cage with three arms. "Triangular and Bâton" tritium-coated sand-finished gold hour and minute hands. M. Cal. 387rhodium-plated, 21 jewels, one-minute tourbillon regulator, lever escapement, monometallic balance, shock-absorber, self-compensating flat balance-spring.Case and movement signed.Diam. 38 mm.In perfect condition.